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GET /api/patches/2225466/?format=api
{ "id": 2225466, "url": "http://patchwork.ozlabs.org/api/patches/2225466/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260421051346.41106-36-richard.henderson@linaro.org/", "project": { "id": 14, "url": "http://patchwork.ozlabs.org/api/projects/14/?format=api", "name": "QEMU Development", "link_name": "qemu-devel", "list_id": "qemu-devel.nongnu.org", "list_email": "qemu-devel@nongnu.org", "web_url": "", "scm_url": "", "webscm_url": "", "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20260421051346.41106-36-richard.henderson@linaro.org>", "list_archive_url": null, "date": "2026-04-21T05:13:44", "name": "[35/37] target/arm: Implement FCVT (FP16 to FP8) for SME", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "a832a5ca8b1d425dce4036a8c48d04bf1a4f2c2f", "submitter": { "id": 72104, "url": "http://patchwork.ozlabs.org/api/people/72104/?format=api", "name": "Richard Henderson", "email": "richard.henderson@linaro.org" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260421051346.41106-36-richard.henderson@linaro.org/mbox/", "series": [ { "id": 500729, "url": "http://patchwork.ozlabs.org/api/series/500729/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=500729", "date": "2026-04-21T05:13:11", "name": "target/arm: Implement FEAT_FAMINMAX, FEAT_FPMR, FEAT_FP8", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/500729/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2225466/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2225466/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>", "X-Original-To": "incoming@patchwork.ozlabs.org", "Delivered-To": "patchwork-incoming@legolas.ozlabs.org", "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=linaro.org header.i=@linaro.org header.a=rsa-sha256\n header.s=google header.b=Fr3EHE6X;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org\n (client-ip=209.51.188.17; helo=lists1p.gnu.org;\n envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org;\n receiver=patchwork.ozlabs.org)" ], "Received": [ "from lists1p.gnu.org (lists1p.gnu.org [209.51.188.17])\n\t(using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits))\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4g09dM5W6Bz1yCv\n\tfor <incoming@patchwork.ozlabs.org>; Tue, 21 Apr 2026 15:19:19 +1000 (AEST)", "from localhost ([::1] helo=lists1p.gnu.org)\n\tby lists1p.gnu.org with esmtp (Exim 4.90_1)\n\t(envelope-from <qemu-devel-bounces@nongnu.org>)\n\tid 1wF3Sd-0000XO-4u; Tue, 21 Apr 2026 01:15:47 -0400", "from eggs.gnu.org ([2001:470:142:3::10])\n by lists1p.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256)\n (Exim 4.90_1) (envelope-from <richard.henderson@linaro.org>)\n id 1wF3SA-00005C-KN\n for qemu-devel@nongnu.org; Tue, 21 Apr 2026 01:15:28 -0400", "from mail-pl1-x62d.google.com ([2607:f8b0:4864:20::62d])\n by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128)\n (Exim 4.90_1) (envelope-from <richard.henderson@linaro.org>)\n id 1wF3S8-0006vm-O5\n for qemu-devel@nongnu.org; Tue, 21 Apr 2026 01:15:18 -0400", "by mail-pl1-x62d.google.com with SMTP id\n d9443c01a7336-2b299b3c739so17247565ad.3\n for <qemu-devel@nongnu.org>; Mon, 20 Apr 2026 22:15:16 -0700 (PDT)", "from stoup.. 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helo=mail-pl1-x62d.google.com", "X-Spam_score_int": "-20", "X-Spam_score": "-2.1", "X-Spam_bar": "--", "X-Spam_report": "(-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1,\n DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1,\n RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001,\n SPF_PASS=-0.001 autolearn=ham autolearn_force=no", "X-Spam_action": "no action", "X-BeenThere": "qemu-devel@nongnu.org", "X-Mailman-Version": "2.1.29", "Precedence": "list", "List-Id": "qemu development <qemu-devel.nongnu.org>", "List-Unsubscribe": "<https://lists.nongnu.org/mailman/options/qemu-devel>,\n <mailto:qemu-devel-request@nongnu.org?subject=unsubscribe>", "List-Archive": "<https://lists.nongnu.org/archive/html/qemu-devel>", "List-Post": "<mailto:qemu-devel@nongnu.org>", "List-Help": "<mailto:qemu-devel-request@nongnu.org?subject=help>", "List-Subscribe": "<https://lists.nongnu.org/mailman/listinfo/qemu-devel>,\n <mailto:qemu-devel-request@nongnu.org?subject=subscribe>", "Errors-To": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org", "Sender": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org" }, "content": "Signed-off-by: Richard Henderson <richard.henderson@linaro.org>\n---\n target/arm/tcg/translate-sme.c | 16 ++++++++++++++++\n target/arm/tcg/sme.decode | 2 ++\n 2 files changed, 18 insertions(+)", "diff": "diff --git a/target/arm/tcg/translate-sme.c b/target/arm/tcg/translate-sme.c\nindex 29d116a57a..b112f16cd7 100644\n--- a/target/arm/tcg/translate-sme.c\n+++ b/target/arm/tcg/translate-sme.c\n@@ -1555,6 +1555,22 @@ TRANS_FEAT(BF2CVT, aa64_sme2_f8cvt, do_f8cvt, a, gen_helper_sme2_bfcvt_hb, 1)\n TRANS_FEAT(BF1CVTL, aa64_sme2_f8cvt, do_f8cvt, a, gen_helper_sme2_bfcvtl_hb, 0)\n TRANS_FEAT(BF2CVTL, aa64_sme2_f8cvt, do_f8cvt, a, gen_helper_sme2_bfcvtl_hb, 1)\n \n+static bool trans_FCVT_bh(DisasContext *s, arg_zz_n *a)\n+{\n+ if (!dc_isar_feature(aa64_sme2_f8cvt, s)) {\n+ return false;\n+ }\n+ if (fpmr_access_check(s) && sme_sm_enabled_check(s)) {\n+ int svl = streaming_vec_reg_size(s);\n+ tcg_gen_gvec_3_ptr(vec_full_reg_offset(s, a->zd),\n+ vec_full_reg_offset(s, a->zn),\n+ vec_full_reg_offset(s, a->zn + 1),\n+ tcg_env, svl, svl,\n+ FPST_ZA << 2, gen_helper_gvec_fcvt_bh);\n+ }\n+ return true;\n+}\n+\n static bool do_zipuzp_4(DisasContext *s, arg_zz_e *a,\n gen_helper_gvec_2 * const fn[5])\n {\ndiff --git a/target/arm/tcg/sme.decode b/target/arm/tcg/sme.decode\nindex d6192eb59d..a02bcc0e22 100644\n--- a/target/arm/tcg/sme.decode\n+++ b/target/arm/tcg/sme.decode\n@@ -863,6 +863,8 @@ BF2CVT 11000001 111 00110 111000 ..... ....0 @zz_2x1\n BF1CVTL 11000001 011 00110 111000 ..... ....1 @zz_2x1\n BF2CVTL 11000001 111 00110 111000 ..... ....1 @zz_2x1\n \n+FCVT_bh 11000001 001 00100 111000 ....0 ..... @zz_1x2\n+\n ZIP_4 11000001 esz:2 1 10110 111000 ...00 ... 00 \\\n &zz_e zd=%zd_ax4 zn=%zn_ax4\n ZIP_4 11000001 001 10111 111000 ...00 ... 00 \\\n", "prefixes": [ "35/37" ] }